Jim has a ______. He is going to the US

有关热原性质的叙述，错误的是

A．耐热性

B．可滤过性

C．不挥发性

D．水不溶性

E．不耐酸碱性

中药饮片贮藏时的水分一般应控制在（）。

A.5％以下

B.8％以下

C.9～13％

D.13～15％

Spyware and other forms of malware are the biggest online threat to your computer’s (71) nowadays. There malicious (72) which get to your PC through freeware, shareware, commercial sites, deceptive pop-ups or in any other way, can record your surfing habits and sites you visit, share your personal information with their partners. Any personal (73) , when in wrong hands, can leave you a victim of an "identity theft" by steeling your credit (74) details, birth records and other (75) information.

A．public

B．confidential

C．open

D．commercial

细菌性痢疾散发流行的主要途径是（）

A.集体食堂食物被污染造成经口感染

B.井水、池塘或供水系统被污染造成经口感染

C.健康人的手或蔬菜、瓜果等食物被污染造成经口感染

D.与病人密切接触经呼吸道传染

E.接触病人的血液经伤口感染

碱式滴定管如何试漏？